#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
	int year=1000;
	for (int year = 1000; year <= 2000; year++)
	{
		if ((year % 4 == 0 && year % 100 != 0) || year % 400==0)
			printf("%d ",year);
	}
	return 0;
}